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G. Karahan · SciRah

Researcher profile · Semantic Scholar

G. Karahan

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G. Karahan — researcher profile on SciRah

h-index: 16
Works: 57
Citations: 831

Most-cited papers

The genetic architecture of membranous nephropathy and its potential to improve non-invasive diagnosis
Jingyuan Xie, Li-Li Liu, N. Mladkova, Yifu Li +116 more
2020Nature Communications193 citations Open access
Semantic Scholar
Osteoprotegerin/RANKL axis and progression of coronary artery calcification in hemodialysis patients.
A. Ozkok, Y. Çalişkan, T. Şakacı, G. Erten +4 more
2012American Society of Nephrology. Clinical Journal72 citations Open access
Semantic Scholar
B Cell Immunity in Solid Organ Transplantation
G. Karahan, F. Claas, S. Heidt
2017Frontiers in Immunology65 citations Open access
Semantic Scholar
FGF-23 associated with the progression of coronary artery calcification in hemodialysis patients
A. Ozkok, C. Kekik, G. Karahan, T. Şakacı +3 more
2013BMC Nephrology51 citations Open access
Semantic Scholar
An Easy and Sensitive Method to Profile the Antibody Specificities of HLA–specific Memory B Cells
G. Karahan, J. Krop, C. Wehmeier, Y. D. de Vaal +9 more
2019Transplantation39 citations Open access
Semantic Scholar
Donor-specific B Cell Memory in Alloimmunized Kidney Transplant Recipients: First Clinical Application of a Novel Method
C. Wehmeier, G. Karahan, J. Krop, Y. D. de Vaal +6 more
2020Transplantation38 citations Open access
Semantic Scholar
Quantification of HLA class II-specific memory B cells in HLA-sensitized individuals.
G. Karahan, Y. D. de Vaal, D. Roelen, R. Buchli +2 more
2015Human Immunology35 citations
Semantic Scholar
Generation and reactivity analysis of human recombinant monoclonal antibodies directed against epitopes on HLA‐DR
Cynthia S. M. Kramer, M. F. Franke-van Dijk, K. Bakker, Merve Uyar-Mercankaya +4 more
2020American Journal of Transplantation32 citations Open access
Semantic Scholar
A Memory B Cell Crossmatch Assay for Quantification of Donor‐Specific Memory B Cells in the Peripheral Blood of HLA‐Immunized Individuals
G. Karahan, Y. Vaal, J. Krop, C. Wehmeier +3 more
2017American Journal of Transplantation30 citations Open access
Semantic Scholar
Polyclonal B cell activation for accurate analysis of pre‐existing antigen‐specific memory B cells
G. Karahan, M. Eikmans, J. Anholts, F. Claas +1 more
2014Clinical and Experimental Immunology25 citations Open access
Semantic Scholar
Detecting the humoral alloimmune response: we need more than serum antibody screening.
G. Karahan, F. Claas, S. Heidt
2015Transplantation24 citations Open access
Semantic Scholar
Pre-existing Alloreactive T and B Cells and Their Possible Relevance for Pre-transplant Risk Estimation in Kidney Transplant Recipients
G. Karahan, F. Claas, S. Heidt
2020Frontiers in Medicine21 citations Open access
Semantic Scholar
LIMS1 Risk Genotype and T-Cell Mediated Rejection in Kidney Transplant Recipients.
Y. Çalişkan, G. Karahan, S. Akgul, Ş. Mirioğlu +11 more
2021Nephrology, Dialysis and Transplantation19 citations
Semantic Scholar
Heterologous Immunity of Virus-Specific T Cells Leading to Alloreactivity: Possible Implications for Solid Organ Transplantation
G. Karahan, F. Claas, S. Heidt
2021Viruses19 citations Open access
Semantic Scholar
HLA‐specific memory B‐cell detection in kidney transplantation: Insights and future challenges
C. Wehmeier, G. Karahan, S. Heidt
2020International Journal of Immunogenetics19 citations Open access
Semantic Scholar
Impact of HLA on the Underlying Primary Diseases in Turkish Patients with End-Stage Renal Disease
G. Karahan, Y. Seyhun, F. Oguz, C. Kekik +7 more
2009Renal Failure18 citations Open access
Semantic Scholar
Technical challenges and clinical relevance of single antigen bead C1q/C3d testing and IgG subclass analysis of human leukocyte antigen antibodies
G. Karahan, F. Claas, S. Heidt
2018Transplant International16 citations Open access
Semantic Scholar
Association of HLA phenotypes of end-stage renal disease patients preparing for first transplantation with anti-HLA antibody status
G. Karahan, C. Kekik, F. Oguz, A. Onal +8 more
2010Renal Failure16 citations Open access
Semantic Scholar
A modeling approach for mean fluorescence intensity value harmonization and cutoff prediction for luminex single antigen bead assays of two different vendors
G. Karahan, G. Haasnoot, Voogt-Bakker Kim, F. Claas +2 more
2023HLA13 citations Open access
Semantic Scholar
Recombinant human monoclonal HLA antibodies of different IgG subclasses recognising the same epitope: Excellent tools to study differential effects of donor‐specific antibodies
Cynthia S. M. Kramer, M. F. Franke-van Dijk, A. Priddey, T. Pongracz +14 more
2019HLA13 citations Open access
Semantic Scholar
Memory B-cell derived donor-specific antibodies do not predict outcome in sensitized kidney transplant recipients: a retrospective single-center study
Dania Altulea, J. C. van den Born, A. Diepstra, L. Bungener +10 more
2024Frontiers in Immunology10 citations Open access
Semantic Scholar
Comparison of different luminex single antigen bead kits for memory B cell‐derived HLA antibody detection
G. Karahan, Y. D. de Vaal, Kim Bakker, D. Roelen +2 more
2021HLA9 citations Open access
Semantic Scholar
Anti-HLA antibody profile of Turkish patients with end-stage renal disease.
G. Karahan, Yalçın Seyhun, F. Oguz, C. Kekik +9 more
2009Transplantation Proceedings9 citations
Semantic Scholar
No evidence for cross-reactivity of virus-specific antibodies with HLA allo-antigens.
S. Heidt, M. Feltkamp, G. Karahan, C. D. de Brouwer +3 more
2018Transplantation8 citations Open access
Semantic Scholar
Human leukocyte antigen and major histocompatibility complex class I-related chain A antibodies after kidney transplantation in Turkish renal transplant recipients.
Y. Seyhun, K. Ozdilli, F. Oguz, G. Karahan +7 more
2012Transplantation Proceedings7 citations
Semantic Scholar
Anti-HLA Class II Antibodies Are the Most Resistant to Desensitization in Crossmatch-positive Living-donor Kidney Transplantations: A Patient Series
Annelies E. de Weerd, D. Roelen, M. Betjes, M. C. Clahsen-van Groningen +7 more
2024Transplantation Direct6 citations Open access
Semantic Scholar
OriginalBasicScienceçGeneral No Evidence for Cross-reactivity of Virus-specific Antibodies With HLA Alloantigens
S. Heidt, M. Feltkamp, G. Karahan, C. D. de Brouwer +3 more
20185 citations
Semantic Scholar
Natural and anthropogenic radionuclides in the granitic region of Kapidag peninsula, Western Anatolia, Turkey.
E. Kapdan, A. Varinlioğlu, G. Karahan, H. Taskin +3 more
2012Radiation Protection Dosimetry4 citations
Semantic Scholar
Equitable allocation through HLA eplet matching: a promising strategy with several challenges.
G. Karahan, G. Haasnoot, S. Heidt
2025American Journal of Transplantation3 citations Open access
Semantic Scholar
Low incidence of IgA isotype of HLA antibodies in alloantigen exposed individuals
Helena Car, G. Karahan, G. Dreyer, S. Brand-Schaaf +6 more
2020HLA3 citations Open access
Semantic Scholar
EFI region 8 Balkan external proficiency testing for HLA typing: Results of 15 years
Çiğdem Kekik Çınar, Sebahat Usta-Akgul, S. Temurhan, Hayriye Şentürk Çiftçi +3 more
2019International Journal of Immunogenetics3 citations
Semantic Scholar
IL-10 and TNF-alpha Gene Polymorphisms in Patients with Celiac Disease Çölyak Hastalarinda IL-10 ve TNF-alfa Gen Polimorfizmleri
S. Fatma, G. Karahan, Y. Seyhun, O. Bayramiçli
20112 citations
Semantic Scholar
Determination of cytokine gene polymorphisms in Turkish patients with multiple myeloma
dem Kekik, F. Savran, Seyhun, G. Karahan +3 more
20082 citations
Semantic Scholar
FC 112: HLA-Specific Memory B Cells and Paternal HLA Molecular Mismatch in Female Transplant Candidates Sensitized by Pregnancy
Sara Sanz-Ureña, Laura Llinás, J. Eguía, A. Olivé +6 more
2022Nephrology, Dialysis and Transplantation1 citations Open access
Semantic Scholar
Innate-like B Cells: Local Drivers of Non-HLA Immunity in Rejecting Kidney Allografts?
G. Karahan, S. Heidt
2022Transplantation1 citations Open access
Semantic Scholar
High Soluble CD30 Levels and Associated Anti-HLA Antibodies in Patients with Failed Renal Allografts
G. Karahan, Y. Çalişkan, K. Ozdilli, C. Kekik +5 more
2016International Journal of Artificial Organs1 citations
Semantic Scholar
Association of HLA-DRB1 Alleles and Autoimmune Hepatitis in Turkish Patients Otoimmün Hepatit ile HLA-DRB1 Alel İlişkisi
G. Karahan
20101 citations
Semantic Scholar
Undetected HLA-A,B Antigens By Serological Method And Application Of Molecular MethodsUndetected HLA-A,B Antigens By Serological Method And Application Of Molecular Methods
Y. Seyhun, C. Kekik, G. Karahan, F. Oguz +1 more
2008European Journal of Therapeutics1 citations Open access
Semantic Scholar
MHC and MIC genes in Autoimmunity
Fatma Oúuz, G. Karahan
20051 citations
Semantic Scholar
Belimumab to Aid Pre‐Transplant Immunological Risk‐Stratification by Uncovering Broader HLA‐Specific Memory B‐Cell Profiles
D. J. van den Broek, G. Karahan, S. Meziyerh, Y. D. de Vaal +8 more
2025HLA0 citations Open access
Semantic Scholar
O010 A novel microfluidic immunoassay for in-solution quantification of alloantibody affinity and concentration in transplantation and beyond
A. Priddey, G. Karahan, M. Schneider, G. Meisl +9 more
2023British Journal of Surgery0 citations Open access
Semantic Scholar
416.5: Pregnancy-Induced Sensitization in Female Transplant Candidates: HLA-Specific Memory B Cells and Paternal HLA Epitope Mismatch
Sara Sanz-Ureña, L. Llinàs-Mallol, J. Eguía, María José Pérez +6 more
2022Transplantation0 citations Open access
Semantic Scholar
Cytokine Gene Polymorphisms and Chromosome 13 Deletion in Multiple Myeloma Patients
Ç. Çınar, G. Karahan, S. Temurhan, S. Beşışık +2 more
2020Istanbul University Institute of Health Sciences Journal of Advanced Research in Health Sciences0 citations Open access
Semantic Scholar
Recombination frequencies in HLA loci among Turkish patients with hematological malignancies and their family-based donors
C. Cinar, G. Karahan, A. Kaya, S. Kalayoglu-besisik +1 more
2019Leukemia research : a Forum for Studies on Leukemia and Normal Hemopoiesis0 citations Open access
Semantic Scholar
OR47 Pre-transplant donor-specific B cell memory for prediction of antibody mediated rejection-A pilot study
G. Karahan, C. Wehmeier, J. Krop, Y. D. de Vaal +10 more
2019Human Immunology0 citations
Semantic Scholar
HLA-specific memory B cells : the missing link?
G. Karahan
20170 citations
Semantic Scholar
Investigation of cytokine gene polymorphisms in patients with psoriasis vulgaris
C. Cinar, G. Karahan, S. Temurhan, Serpil Pirmit +2 more
20160 citations Open access
Semantic Scholar
OR26 Taking the hla-specific memory b cell elispot to the next level: assaying the full donor hla repertoire
G. Karahan, Yvonne Vaal de, J. Krop, D. Roelen +2 more
20160 citations
Semantic Scholar
Towards detection of HLA class II specific memory B cell responses in sensitized patients
G. Karahan, Y. D. de Vaal, R. Buchli, F. Claas +1 more
20140 citations
Semantic Scholar
Title : Serum FGF-23 associated with the progression of coronary artery calcification in hemodialysis patients
A. Ozkok, C. Kekik, G. Karahan, T. Şakacı +4 more
20130 citations
Semantic Scholar

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